Unclassifiable Infectious Complications after Lobectomy for Cancer: Etiology, Risks, and Outcomes

The Thoracic and Cardiovascular Surgeon
Kazuhiro UedaKimikazu Hamano

Abstract

Although infectious complications occur occasionally after lung lobectomy, some of them are overlooked if the pathogen or origin is unidentifiable. We retrospectively reviewed 425 patients who underwent lobectomy for lung cancer. Infectious complications developed in 61 patients who consequently underwent empiric therapy: 44 had an identifiable focus and 17 did not irrespective of systemic surveillance. The 17 patients without an identifiable focus were predominantly patients with squamous cell carcinoma, a smoking history, large tumor size, and undergoing lower lobectomy. These 17 patients were able to be distinguished from those without infectious complications with a sensitivity of 88% and a specificity of 98% based on the patient's body temperature, C-reactive protein, and white blood cell count. The median onset of the 17 patients was 8 days (5-30 days) after operation. None of these 17 patients had air leak for more than 3 days, major cardiopulmonary complications, superficial surgical site infection, organ-specific symptoms (e.g., cough and diarrhea), or increased dead space size. Inflammatory markers were normalized by antibiotics alone in 14 of the 17 patients, while the condition of the remaining 3 worsened to empyema...Continue Reading

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